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All results from a given calculation for CH3C(OH)=NH (Ethaninidic acid)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-208.967652
Energy at 298.15K-208.973893
HF Energy-208.967652
Nuclear repulsion energy120.702320
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3627 3586 34.79      
2 A' 3451 3412 3.95      
3 A' 3100 3065 9.15      
4 A' 2995 2961 6.49      
5 A' 1688 1669 239.54      
6 A' 1439 1422 24.07      
7 A' 1391 1375 66.98      
8 A' 1338 1323 1.98      
9 A' 1216 1202 84.43      
10 A' 1066 1053 168.24      
11 A' 979 968 38.46      
12 A' 855 846 2.10      
13 A' 532 526 41.45      
14 A' 412 407 2.02      
15 A" 3067 3032 3.76      
16 A" 1428 1412 11.64      
17 A" 1024 1013 5.03      
18 A" 805 796 23.05      
19 A" 619 612 139.87      
20 A" 512 506 14.60      
21 A" 120 119 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 15832.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 15651.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-31+G**
ABC
0.35787 0.30527 0.17002

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.957 -1.034 0.000
N3 0.237 1.392 0.000
O4 -1.297 -0.299 0.000
H5 2.000 -0.690 0.000
H6 0.784 -1.665 0.887
H7 0.784 -1.665 -0.887
H8 1.247 1.576 0.000
H9 -1.842 0.518 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50711.28411.36552.16172.15042.15041.90911.8821
C21.50712.53112.37051.09881.10241.10242.62633.2003
N31.28412.53112.28242.72833.23003.23001.02642.2548
O41.36552.37052.28243.31992.64252.64253.15930.9817
H52.16171.09882.72833.31991.79401.79402.38774.0272
H62.15041.10243.23002.64251.79401.77483.39203.5279
H72.15041.10243.23002.64251.79401.77483.39203.5279
H81.90912.62631.02643.15932.38773.39203.39203.2644
H91.88213.20032.25480.98174.02723.52793.52793.2644

picture of Ethaninidic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.134 C1 C2 H6 110.017
C1 C2 H7 110.017 C1 N3 H8 110.945
C1 O4 H9 105.439 C2 C1 N3 129.958
C2 C1 O4 111.124 N3 C1 O4 118.917
H5 C2 H6 109.182 H5 C2 H7 109.182
H6 C2 H7 107.219
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.177      
2 C -0.498      
3 N -0.488      
4 O -0.375      
5 H 0.171      
6 H 0.203      
7 H 0.203      
8 H 0.254      
9 H 0.354      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.288 -1.123 0.000 1.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.686 -1.168 0.000
y -1.168 -28.037 0.000
z 0.000 0.000 -25.673
Traceless
 xyz
x 6.168 -1.168 0.000
y -1.168 -4.857 0.000
z 0.000 0.000 -1.311
Polar
3z2-r2-2.623
x2-y27.350
xy-1.168
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.044 0.142 0.000
y 0.142 6.997 0.000
z 0.000 0.000 4.147


<r2> (average value of r2) Å2
<r2> 76.145
(<r2>)1/2 8.726